Vacuum tubes are an anachronism in any modern home audio device, and even more so if that same device supports the cutting-edge 4K resolution standard.
Samsung's HT-F9750 doesn't shirk from the unusual juxtaposition, with the 7.1 channel home-theater-in-a-box (HTIB) system featuring both glowing tube preamps and 4K upconversion. Although both features look and sound cool, they're more gimmick than anything else. The tube preamp (which is paired with a digital amplifier) promises a more "natural" sound, although I didn't hear anything particularly special when I listened to the tubeified DA-E750 last year. And … Read more